Home / 16,865.60-25,291.84-8,528.96

Finding the Fourth Proportional to 16,865.60, 25,291.84 and 8,528.96

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Solution

The fourth proportional to 16,865.60, 25,291.84 and 8,528.96 is: 12,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.60 : 25,291.84 = 8,528.96 : x
  2. Step 2: Convert to fraction form
    16,865.60/25,291.84 = 8,528.96/x
  3. Step 3: Cross multiply
    16,865.60x = 25,291.84 × 8,528.96
  4. Step 4: Simplify right side
    16,865.60x = 215,713,091.69
  5. Step 5: Solve for x
    x = 215,713,091.69/16,865.60
  6. Step 6: Final answer
    x = 12,790.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.